def get_next_link(self): if self.offset + self.limit >= self.count: return None url = self.request.build_absolute_uri() url = replace_query_param(url, self.limit_query_param, self.limit) offset = self.offset + self.limit return replace_query_param(url, self.offset_query_param, offset)
def get_previous_link(self): if self.offset <= 0: return None url = self.request.build_absolute_uri() url = replace_query_param(url, self.limit_query_param, self.limit) if self.offset - self.limit <= 0: return remove_query_param(url, self.offset_query_param) offset = self.offset - self.limit return replace_query_param(url, self.offset_query_param, offset)
def add_query_param(request, key, val): """ Add a query parameter to the current request url, and return the new url. """ iri = request.get_full_path() uri = iri_to_uri(iri) return escape(replace_query_param(uri, key, val))
def get_previous_link(self): if not self.page.has_previous(): return None url = self.request.build_absolute_uri() page_number = self.page.previous_page_number() if page_number == 1: return remove_query_param(url, self.page_query_param) return replace_query_param(url, self.page_query_param, page_number)
def encode_cursor(self, cursor): """ Given a Cursor instance, return an url with encoded cursor. """ tokens = {} if cursor.offset != 0: tokens['o'] = str(cursor.offset) if cursor.reverse: tokens['r'] = '1' if cursor.position is not None: tokens['p'] = cursor.position querystring = urlparse.urlencode(tokens, doseq=True) encoded = b64encode(querystring.encode('ascii')).decode('ascii') return replace_query_param(self.base_url, self.cursor_query_param, encoded)
def page_number_to_url(page_number): if page_number == 1: return remove_query_param(base_url, self.offset_query_param) else: offset = self.offset + ((page_number - current) * self.limit) return replace_query_param(base_url, self.offset_query_param, offset)
def page_number_to_url(page_number): if page_number == 1: return remove_query_param(base_url, self.page_query_param) else: return replace_query_param(base_url, self.page_query_param, page_number)
def get_next_link(self): if not self.page.has_next(): return None url = self.request.build_absolute_uri() page_number = self.page.next_page_number() return replace_query_param(url, self.page_query_param, page_number)